A conflict arises when a religious community insists on the absolute truthfulness of all statements recorded in the Bible. This means an intervention on the part of religion into the sphere of science; this is where the struggle of the Church against doctrines of Galileo and Darwin belongs.

Unless the cause of peace based on law gathers behind it the force and zeal of a religion, it hardly can hope to succeed.

The only thing we can be certain of in this life is that we can be certain of nothing.

... knowledge must continually be renewed by ceaseless effort, if it is not to be lost. It resembles a statue of marble which stands in the desert and is continually threatened with burial by the shifting sand. The hands of service must ever be at work, in order that the marble continue to lastingly shine in the sun. To these serving hands mine shall also belong.

The music of Mozart is of such purity and beauty that one feels he merely found it - that it has always existed as part of the inner beauty of the universe waiting to be revealed.

It has become appallingly obvious that our technology has exceeded our humanity.

As the area of light expands, so does the perimeter of darkness.